<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=<device-width>, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action="add-user.php" method="get">
        <input type="text" name="n" placeholder="用户">
        <input type="password" name="p" placeholder="密码" >
        <input type="submit">
        </form>   
</body>
</html>